Water purifier



FIG. 1 is a perspective view of a water purifier showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom view thereof.

The broken line showing of the water purifier in FIG. 3-FIG. 5 and FIG. 7 is for the purpose of illustration and forms no part of the claimed design. 

The ornamental design for a water purifier, as shown and described. 